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How to simulate input bandwidth of AD?

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wan

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The input bandwidth of the ADC is the input frequency at which the SNDR is 3dB below the maximun value, and how can i simulate in spectre? Thanks.
 

ppboyindream

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I think it is really very easy just sweep the input frequency and measure its correponding SNR then find what frequency this SNR drops about 3dB compared to the low frequency
 

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